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Amine-Directed Formation of B−N Bonds for BN-Fused Polycyclic Aromatic Multiple Resonance Emitters with Narrowband Emission
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2022-06-24 , DOI: 10.1002/anie.202207293
Guoyun Meng 1 , Hengyi Dai 1 , Tianyu Huang 1 , Jinbei Wei 2 , Jianping Zhou 1 , Xiao Li 1 , Xiang Wang 1 , Xiangchen Hong 1 , Chen Yin 1 , Xuan Zeng 1 , Yuewei Zhang 1 , Dezhi Yang 3 , Dongge Ma 3 , Guomeng Li 1 , Dongdong Zhang 1 , Lian Duan 1, 4
Affiliation  

A new paradigm of easy-to-access multiple resonance (MR) emitter is constructed by simplifying multiborylation through amine-directed formation of B−N bonds, while introducing an additional para-positioned N atom to trigger the MR effect. The proof-of-concept molecules, m[B-N]N1 and m[B-N]N2, exhibit impressive maximum EQE values of 36.0 % and 33.4 %, with narrowband emissions at 480 and 486 nm, and FWHMs of only 26 and 32 nm, respectively.

中文翻译:

具有窄带发射的 BN 稠合多环芳族多重共振发射器的胺定向形成 BN 键

通过胺定向形成BN键来简化多硼化,同时引入额外的位N原子来触发MR效应,从而构建了一种易于访问的多共振(MR)发射器的新范例。概念验证分子m[BN]N1m[BN]N2表现出令人印象深刻的 36.0 % 和 33.4 % 的最大 EQE 值,在 480 和 486 nm 处具有窄带发射,而 FWHM 仅为 26 和 32 nm,分别。
更新日期:2022-06-24
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